<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>首页</title>
</head>
<body>
<div>
    <ul>
        <li id="l1">张三</li>
        <li>李四</li>
        <li>王五</li>
        <a href="www.baidu.com" id="a1" class="c1">jepusi</a>
    </ul>
</div>
<a href="" title="a2">百度</a>
<div id="d1">
    <span>
        哈哈哈
    </span>
</div>
<p id="p1"  class="p1">咳咳咳</p>

</body>
</html>